A risk mapping system (1) for use in crises management comprises a database (2) having a plurality of risk maps and hazard data associated with each risk map stored thereon. The database is accessible by one or more of personal computers (3), laptops (4) and hand held devices (5) by way of communication channels (6). The risk maps stored on the database comprise three dimensional graphical representations of specific locations and for each specific location having a three dimensional graphical representation there are provided a plurality of three dimensional, graphical representations from different aspects of that location. The hazard data is represented by way of a hazard icon superimposed on the risk map.